condition	mean	min	max
4 h after light	5.86643	4.94857	6.78429
8 h after light	4.89448	4.69731	5.09165
12 h after light	6.248235	5.49932	6.99715
4 h after dark	14.360466666666667	12.2448	16.9284
8 h after dark	11.5	10.5076	13.3905
12 h after dark	8.294276666666667	7.73541	9.11114